20727304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4861}}^1$

素因数の和:4921

約数の個数: 32

約数和(自身を含む): 42882840

約数和(自身を除く): 22155536

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4861, 9722, 19444, 38888, 63193, 126386, 199301, 252772, 398602, 505544, 797204, 1594408, 2590913, 5181826, 10363652, 20727304]

約数ペア:

[(1, 20727304), (2, 10363652), (4, 5181826), (8, 2590913), (13, 1594408), (26, 797204), (41, 505544), (52, 398602), (82, 252772), (104, 199301), (164, 126386), (328, 63193), (533, 38888), (1066, 19444), (2132, 9722), (4264, 4861)]